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Symptoms: Severe low frequency vibration

Causes: Loose or worn engine mountings, misalignment of engine to gearbox, uneven operation of clutch arm, oil contaminated facings, defective pressure plate, defective driven plate, scored or glazed flywheel, worn spigot bearing

Symptoms: Engine accelerating without giving a corresponding increase in vehicle speed, a burning smell, and vehicle will not drive up steep hills.

Causes: Incorrect clutch adjustments, partial seizure of linkage or fouling of pedal preventing the full return of the linkage, worn clutch facings, oil contaminated facings, defective pressure plate and/or broken springs, partially seized mechanism.

Symptoms: Difficulty in engaging first gear from neutral without making noise, a jolt when changing gear with the vehicle in motion, and vehicle moves when pedal is fully depressed.

Causes: Incorrect clutch adjustments or lack of fluid in the hydraulic operating system, worn hydraulic system, oil contaminated facings, defective driven plate, buckled plate or seizure on spines, seized spigot bearing, worn spigot or dual mass flywheel defective.

Symptoms: A sudden move of the vehicle though the pedal is being gradually released.

Causes: Partial seizure of linkage or fouling of pedal preventing the full return of the linkage, uneven operation of the clutch arm, worn hydraulic system, oil contaminated driven plate, misalignment of engine to gearbox, worn spigot bearing.